Effect of Carbonic Anhydrase II in Molten Globule State on Physical Properties of Dimyristoylphosphatidylcholine Liposome
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概要
- 論文の詳細を見る
Ultrasonic relaxation measurement was employed for confirmation of the interaction between dimyristoylphosphatidylcholine (DMPC) membrane and a soluble protein, carbonic anhydrase II (CA II). The enhancement of the fluctuation of DMPC membrane structure was observed in the presence of CA II under acidic condition, pH 3.6–4, indicating the interaction between DMPC and CA II@. The pyrene fluorescence spectrum of CA II solution clearly showed that this protein adopted an unfolding intermediate called the molten globule state under the low pH condition, in which CA II interacted with DMPC@. However, CA II in the molten globule state did not cause membrane lysis in contrast to the high lytic activity of $\alpha$-lactalbumin on DMPC liposomes.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2001-05-30
著者
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Tanaka Michiko
Tokyo University Of Agiculture And Technology Department Of Biotechnology
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SAKAI Hiroko
Tokyo University of Agiculture and Technology, Department of Biotechnology
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IMAI Kenichiro
Tokyo University of Agiculture and Technology, Department of Biotechnology
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SONOYAMA Masashi
Tokyo University of Agiculture and Technology, Department of Biotechnology
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MITAKU Shigeki
Tokyo University of Agiculture and Technology, Department of Biotechnology
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Sakai Hiroko
Tokyo University of Agriculture and Technology, Department of Biotechnology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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Mitaku Shigeki
Tokyo University of Agriculture and Technology, Department of Biotechnology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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Tanaka Michiko
Tokyo University of Agriculture and Technology, Department of Biotechnology, Nakacho 2-24-16, Koganei, Tokyo 184-8588, Japan
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